HomeKohlerKohler GEN 5.0

Kohler GEN 5.0 Generator Set

The Kohler GEN 5.0 is a 5 kW (4300 kVA) gasoline standby generator set powered by a Kohler Command PRO engine. It is available at 120/240 V, Single Phase-phase, 60 Hz and rated 35.8 A. The set measures 747×544×566 mm (29.4×21.4×22.3 in) and weighs about 82 kg (181 lb). An integrated tank holds 30 L (7.9 gal), roughly 16 hours of runtime.

5 kW
Standby
0.277 L
Displacement
5
Document types

How to read your Kohler serial & model number →

Specifications

Fuelgasoline
Frequency60.0 Hz
Standby power5 kW
Standby kVA4300
Prime power5 kW
EmissionsEM
Voltage options120 V, 20 V, 30 V
PhaseSingle Phase
Rated current35.8 A
Dimensions (L×W×H)747×544×566 mm
Dry weight82 kg
Fuel tank30.2 L
Tank runtime16 hr

Engine

Kohler Command PRO
Displacement0.277 L
Rated speed3600 rpm

Maintenance & consumables

for the Kohler Command PRO
ItemSpecCapacityPart #Interval
Air filterlow-profile air cleaner element (P)100 hr find
Fuel filter300 hr find
Oil5 hr

Common questions

What is the power rating of the Kohler GEN 5.0?

The Kohler GEN 5.0 is rated 5 kW standby (4300.0 kVA).

What engine does the Kohler GEN 5.0 use?

The Kohler GEN 5.0 is powered by the Kohler Command PRO engine.

What fuel does the Kohler GEN 5.0 use?

The Kohler GEN 5.0 runs on gasoline.

Troubleshooting

10

Symptoms & remedies

SymptomCauseRemedy
Engine Not Starting/Running AbnormallyEngine Stopped No Electric Current Tripping of Circuit Breaker Load connected to generating set during start-up Start and Stop control ON or OFF Oil level too low Unsuitable fuel level too low Fuel valves closed Clogged fuel filter Clogged fuel strainer Clogged air filter Faulty spark plug Fuel supply blocked or leaking Blocked ventilation inlets Circuit protectors not actuated Faulty appliance supply cord Faulty electrical sockets Faulty alternator Device connected or faulty cord Overload
No AC outputCircuit breaker in OFF position.Switch circuit breaker to ON.
Engine not operating at rated RPMAdjust engine running at normal operating temperature to 3750 ± 100 RPM.
Circuit breaker or receptacles faultyTest for voltage at circuit breaker and receptacles.
Stator is faultyTest for voltage and resistance.
Brushes are faultyTest for resistance between brushes and slip ring.
AVR is faultyTest for voltage. Replace AVR with a new AVR. Start engine and adjust trimmer on back of AVR. Test terminal voltage. Voltage should be between 95-135V.
Low voltage at statorField polarity was lost.Flash rotor field.
Alternator can't output rated powerAdjust engine running at normal operating temperature to 3750 ± 100 RPM. Overload condition: Calculate electrical power required by electric appliances (in Watts). Reduce total wattage of connected electric devices within application range.
Appliance is faultyRepair faulty appliance.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

2
Part #DescriptionQtySystem
WP2.02-inch water pump1Pump PartsGeek
WP3.03-inch water pump1Pump PartsGeek

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime50%

Available documents

Brochure — PowEquip TriFold English (Kohler)Brochure — portable chart (Kohler)Brochure — tri-fuel accessory launch uspec update (Kohler)Spec sheet — g3069 (Kohler)Reference — 25 590 18 (Kohler)Reference — 25 590 19 (Kohler)Reference — tp7034 (Kohler)Owner's manual — 35 590 01 Rev D (Kohler)Owner's manual — 35 590 01 rev 5 14 (Kohler)Owner's manual — 37 590 02 (Kohler)Owner's manual — 37 590 02 (Kohler)Owner's manual — 37 590 02 Rev G (Kohler)Owner's manual — tp7033cmp (Kohler)Service manual — 37 690 02 (Kohler)